src/cocoa/button.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/button.mm
   3 // Purpose:     wxButton
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2002/12/30
   7 // Copyright:   (c) 2002 David Elliott
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/button.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/log.h"
  17 #endif
  18
  19 #include "wx/stockitem.h"
  20 #include "wx/cocoa/autorelease.h"
  21 #include "wx/cocoa/string.h"
  22
  23 #import <AppKit/NSButton.h>
  24 #import <math.h>
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
  27 BEGIN_EVENT_TABLE(wxButton, wxButtonBase)
  28 END_EVENT_TABLE()
  29 WX_IMPLEMENT_COCOA_OWNER(wxButton,NSButton,NSControl,NSView)
  30
  31 bool wxButton::Create(wxWindow *parent, wxWindowID winid,
  32             const wxString& lbl, const wxPoint& pos,
  33             const wxSize& size, long style,
  34             const wxValidator& validator, const wxString& name)
  35 {
  36     wxString label((lbl.empty() && wxIsStockID(winid))?wxGetStockLabel(winid):lbl);
  37
  38     wxAutoNSAutoreleasePool pool;
  39     wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
  40     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  41         return false;
  42     wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
  43     m_cocoaNSView = NULL;
  44     SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
  45     // NOTE: YES we want to release this (to match the alloc).
  46     // DoAddChild(this) will retain us again since addSubView doesn't.
  47     [m_cocoaNSView release];
  48
  49     [GetNSButton() setBezelStyle:NSRoundedBezelStyle];
  50     CocoaSetLabelForObject(label, GetNSButton());
  51
  52     do
  53     {
  54         NSTextAlignment mode;
  55         if ((style & wxBU_LEFT) && !(style & wxBU_RIGHT))
  56             mode = NSLeftTextAlignment;
  57         else if ((style & wxBU_RIGHT) && !(style & wxBU_LEFT))
  58             mode = NSRightTextAlignment;
  59         else
  60             break;
  61         [GetNSControl() setAlignment:mode];
  62     } while(0);
  63
  64     [GetNSControl() sizeToFit];
  65
  66     if(m_parent)
  67         m_parent->CocoaAddChild(this);
  68     SetInitialFrameRect(pos,size);
  69
  70     return true;
  71 }
  72
  73 wxButton::~wxButton()
  74 {
  75     DisassociateNSButton(GetNSButton());
  76 }
  77
  78 void wxButton::Cocoa_wxNSButtonAction(void)
  79 {
  80     wxLogTrace(wxTRACE_COCOA,wxT("YAY!"));
  81     wxCommandEvent event(wxEVT_BUTTON, GetId());
  82     InitCommandEvent(event); //    event.SetEventObject(this);
  83     Command(event);
  84 }
  85
  86 wxString wxButton::GetLabel() const
  87 {
  88     return wxStringWithNSString([GetNSButton() title]);
  89 }
  90
  91 void wxButton::SetLabel(const wxString& label)
  92 {
  93     CocoaSetLabelForObject(label, GetNSButton());
  94 }
  95
  96 wxSize wxButton::DoGetBestSize() const
  97 {
  98     wxSize size = wxButtonBase::DoGetBestSize();
  99     if(!HasFlag(wxBU_EXACTFIT))
 100     {
 101         if(size.x<68)
 102             size.x = 68;
 103     }
 104     return size;
 105 }
 106
 107 static NSRect MakeNSButtonDefaultRect()
 108 {
 109     // create at (10.0,10.0) with size 20.0x20.0 (just bogus values)
 110     wxObjcAutoRefFromAlloc<NSButton*> defaultButton = [[NSButton alloc]
 111             initWithFrame:NSMakeRect(10.0,10.0,20.0,20.0)];
 112     [static_cast<NSButton*>(defaultButton) setBezelStyle:NSRoundedBezelStyle];
 113     [static_cast<NSButton*>(defaultButton) setTitle:@""];
 114     [static_cast<NSButton*>(defaultButton) sizeToFit];
 115     return [static_cast<NSButton*>(defaultButton) frame];
 116 }
 117
 118 wxSize wxButtonBase::GetDefaultSize()
 119 {
 120     static NSRect cocoaRect = MakeNSButtonDefaultRect();
 121     // Apple HIG says OK/Cancel buttons have default width of 68.
 122     return wxSize(68,(int)ceil(cocoaRect.size.height));
 123 }